Files with this naming convention—specifically those containing "FIXED" and distributed via third-party RAR archives—carry high security risks:
Official developers like Lavaboots Studios rely on sales to fund the infinite procedural world you see in Salt 2 . Purchasing the game on Steam or GOG ensures you receive clean files and official updates.
In the scene/warez community, this usually indicates a "crack fix"—a secondary release that repairs a bug in the initial pirated version (such as a crash or a broken save system).